Physician Photo

Peter D. Asnis, MD

Sports Medicine Orthopaedic Surgeon

Head Team Physician: Boston Bruins; Head Team Orthopaedic Surgeon: Boston Red Sox; Team Physician: New England Patriots

Instructor in Orthopaedic Surgery, Harvard Medical School

Dr. Asnis specializes in knee and shoulder sports injuries. He sees patients of all ages, from adolescents to adults, and he helps them work toward their desired performance level.

Department of Orthopaedics
Clinical Interests
ACL (anterior cruciate ligament) reconstruction
ACL (anterior cruciate ligament) injuries
Meniscus tear
Rotator cuff tears/Impingement Syndrome
Labral tear & instability - Shoulder
PCL injuries
LCL/Posterolateral corner injuries
Arthroscopic knee and shoulder surgery
Sports injuries
Knee ligament injuries
Boston: Massachusetts General Hospital
Waltham: Mass General West
Medical Education
MD, Weill Cornell College of Medicine
Residency, Hospital for Special Surgery
Fellowship, Massachusetts General Hospital
Board Certifications
Orthopaedic Surgery, American Board of Orthopedic Surgery
Patient Age Group
Accepting New Patients
Accepting New Patients


Dr. Peter Asnis earned his undergraduate degree cum laude in biology at Harvard College and his MD from Cornell University Medical School with Honors in Research. After finishing a general surgery internship at New York Presbyterian Hospital, Dr. Asnis completed his orthopaedic residency at the Hospital for Special Surgery in New York where he was awarded the Jean C. McDaniel Resident Teaching and Leadership Award. Dr. Asnis completed a fellowship in Orthopaedic Sports Medicine at the Massachusetts General Hospital, and following his fellowship he joined the MGH staff.

Currently Dr. Asnis serves as the Head Team Orthopaedic Surgeon for the Boston Red Sox, Head Team Physician for the Boston Bruins and is a Team Physician for the New England Patriots.

Dr. Asnis is an Instructor of Orthopaedic Surgery at Harvard Medical School. He is a Fellow of the American Academy of Orthopaedic Surgeons as well as a Member of the American Orthopaedic Society for Sports Medicine. Additionally he is a member of the Team Physician Societies for the National Football League, the National Hockey League, and Major League Baseball.


Dr. Asnis' research interests are focused on the knee and shoulder, particularly on how to optimize treatment for active patients who have suffered sports-related injuries.

Dr. Asnis collaborates with the Orthopaedic Bioengineering Lab at MGH in many of his research projects. Some of his most recent publications have focused on anatomic and radiographic studies of pathologies of the hip and knee.


Select Publications:

Alpert J, Kozanek M, Asnis P, Li G, Kelly BT. Cross-Sectional Analysis of the Iliopoas Tendon and Its Relationship to the Acetabular Labrum: An Anatomic Study. Am J Sports Med. 2009 Aug; 37(8): 1594-98.

Jerabek S, Asnis PD, Bredella M, Oulette H, and Gill TJ. Medial Patellar Ossification After Patellar Instability: A Radiographic Finding Indicative of Prior Patella Sublucation/Dislocation. Skeletal Radiology. 38(8): 785-790.

Alpert J and Asnis P. "Orthopedic Surgery" in Oxford American Handbook of Surgery. Oxford University Press: New York, 18:569-646, 2009.

Reinold M, Berkson E, Asnis P, Irrgang J, Safran M, Fu F. "Knee: Ligamentous and Patellar Tendon Injuries" in Magee D. Pathology and Intervention. Elsevier: St Louis, MO, 16: 528578, 2009.

Shindle M, Kelly B, Voos J, Asnis P, Pruett A: Labral Pathology Associated with Psoas Impingement. Arthroscopy: The Journal of Arthroscopic & Related Surgery. 24(6 S): e34, June 2008.

Celebrating victory

Matthew Provencher, MD, chief of the MGH Sports Medicine Service and medical director and head team physician for the New England Patriots and Peter Asnis, MD, of Orthopædic Surgery and team physician for the Patriots pose with quarterback Tom Brady after the Patriots Super Bowl victory over the Seattle Seahawks on Feb. 1.

MGH Sports Medicine Center
175 Cambridge Street
4th Floor
Boston, MA 02114-2723

Phone: 617-643-0803
Fax: 617-643-3438